Changma Lake in Yumen, Gansu province, contributes to a unique landscape. [Photo by Wu Xuezhen/For chinadaily.com.cn]

Pictures taken recently by a local photographer show the unique landscape of Changma Lake in Yumen, Gansu province — where the Shule River enters the Changma Gorge and the green lake and river merge.

As seen from the air, the landscape might be mistaken for an oil painting, presenting a beautiful autumn scene.